40045310 has 16 divisors (see below), whose sum is σ = 72343152. Its totient is φ = 15960000.

The previous prime is 40045309. The next prime is 40045321. The reversal of 40045310 is 1354004.

It is a super-2 number, since 2×40045310² = 3207253705992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (4521447).

Almost surely, 2^40045310 is an apocalyptic number.

40045310 is a deficient number, since it is larger than the sum of its proper divisors (32297842).

40045310 is a wasteful number, since it uses less digits than its factorization.

40045310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14539.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40045310 is about 6328.1363765330. The cubic root of 40045310 is about 342.1242722916.

Adding to 40045310 its reverse (1354004), we get a palindrome (41399314).

The spelling of 40045310 in words is "forty million, forty-five thousand, three hundred ten".